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AVK MANUAL QUARTER-TURN WORM GEAR

IP67 Gearbox, 40:1 Ratio, Cast Iron Housing, Handwheel

AVK Wingfield Plant

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AVK Australia Civil

559A Grand Junction Road Wingfield SA 5013 Sales and Technical enquiry

Quarter-turn worm gear for use with ball valves, butterfly valves, plug valves or other quarter-turn valves in power, water, gas pipelines, HVAC and most general industrial applications. Temperature range: -40°C to 120°C

The AVK series 755 / Rotork 242 manual quarter turn gearbox is designed to optimise robustness and durability, while minimizing non-structural mass and reducing the overall gearbox envolope by using the latest lean engineering principles and analytical design tools. Designed to meet strict specifications the simple and rugged construction makes it the gearbox of choice for low torque applications.

Variant 755/4-001
Material: Cast Iron

Features

  • PTFE thrust washers
  • Cast iron housing
  • Ductile iron quadrant
  • Stroke 0°- 90°, adjustable ±5°
  • Silicon seal on stop bolts
  • Position indicator in stainless steel
  • Zinc plated fasteners
  • Enclosure sealed to IP67

Downloads

Datasheet

Reference nos. and dimensions:

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AVK ref. no. A
mm		 B
mm		 C
mm		 D1
mm		 D2
mm		 E
mm		 F
mm		 G
mm		 H2
mm		 H3
mm		 L1
mm		 L2
mm		 W
mm		 ISO
Flange		 Theoretical
weight/kg
755-4-A5-04590220C 66 34 30 3.5 10 78 #9 100 36.5 40 9 20 82 F05 1.5
755-4-A5-041500300 66 34 30 3.5 10 78 #11 200 36.5 40 9 20 82 F07 1.5
755-4-A5-041600300 66 34 30 3.5 10 78 #14 200 36.5 40 9 20 82 F07 1.5
755-4-A5-041600400 66 34 30 3.5 10 78 #14 250 36.5 40 9 20 82 F07 1.5
755-4-A1-046000300 80 41 38 4 12 97 #17 200 40 44 9 22 100 F07 2.0
Enquiry
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Components

1. Gearbox housing Cast iron GJL-250 (GG-25)
2. Limit stop Steel
3. Indicator Stainless steel 304L
4. Ductile iron GJS-400-15 (GGG-40)
5. Thrust washer PTFE
6. Worm gear Steel
7. Shaft Steel
8. Handwheel Steel
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